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Cushion|Natural|GIA

0.40ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1559692402

Certificate GIA 1559692402

Diamond specifications and retailer prices

From $590 CAD
HK$3,300 HKD
As of October 27, 2026
Save $522 CAD (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,112 CAD at Yorxs · As of October 27, 2026
View at Yorxs

About this 0.4ct natural cushion diamond

This 0.4ct natural cushion sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559692402. Listed at 5 retailers as of October 27, 2026, with prices from $590 to $1,112, a $522 spread on the same certified stone. Yorxs lists it at $1,112. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559692402
Dimensions4.42 × 4.38 × 2.97 mm
L/W Ratio1.01
Top View
4.42 mm4.38 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559692402
Side View
Table 66.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $940 CAD|Low: $590 CAD|High: $1,228 CAD|Avg: $904 CAD|-23.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 27, 2026
Retailer 4$590 CAD
Retailer 3$926 CAD
Retailer 2$940 CAD
Retailer 1$940 CAD
Yorxs$1,112 CAD

15 data points across 5 retailers

5 retailers$590 CAD to $1,112 CAD

A
Cheapest Retailer
-
$590 CAD
HK$3,300 HKD
B+
Retailer 2
-
$926 CAD
$663 USD
View
B+
Retailer 3
-
$940 CAD
$673 USD
View
B+
Retailer 4
-
$940 CAD
£530 GBP
View
Most Expensive
B+
Yorxs
0A4A6C4C9 · Oct 27
$1,112 CAD
€758 EUR
View
4 more retailers have this diamond
Prices start from $590 CADSave up to $522 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.40ct Cushion
$590 CAD